/* EC Hustles | animations.css — Keyframes, transitions, scroll-reveal */

/* ── Keyframes ────────────────────────────────────────────────────── */

@keyframes shimmer {
  0%   { left: -100%; }
  60%  { left: 150%; }
  100% { left: 150%; }
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes goldPulse {
  0%, 100% { box-shadow: 0 0 24px rgba(201, 168, 76, 0.15); }
  50%       { box-shadow: 0 0 48px rgba(201, 168, 76, 0.35); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes chevronBounce {
  0%, 100% { transform: translateY(0) translateX(-50%); }
  50%       { transform: translateY(8px) translateX(-50%); }
}

@keyframes marbleFloat {
  0%, 100% { transform: translateY(0) rotate(0deg) scale(1); }
  33%       { transform: translateY(-12px) rotate(1deg) scale(1.01); }
  66%       { transform: translateY(6px) rotate(-0.5deg) scale(0.99); }
}

@keyframes counterUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes heroGradient {
  0%   { background-position: 0% 0%; }
  50%  { background-position: 100% 100%; }
  100% { background-position: 0% 0%; }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Hero Gradient Animation ──────────────────────────────────────── */

.hero-gradient {
  background: linear-gradient(
    135deg,
    var(--black) 0%,
    var(--charcoal) 40%,
    rgba(var(--gold-rgb), 0.05) 60%,
    var(--charcoal) 75%,
    var(--black) 100%
  );
  background-size: 300% 300%;
  animation: heroGradient 20s ease infinite;
}

@media (prefers-reduced-motion: reduce) {
  .hero-gradient { animation: none; background: var(--charcoal); }
}

/* ── Scroll-Reveal Classes ────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

.reveal-left {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.revealed,
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Scroll Chevron ───────────────────────────────────────────────── */

.scroll-chevron {
  position: absolute;
  bottom: var(--sp-6);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  animation: chevronBounce 2s ease-in-out infinite;
  color: rgba(var(--gold-rgb), 0.5);
}

.scroll-chevron svg {
  width: 20px;
  height: 20px;
}

.scroll-chevron span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

@media (prefers-reduced-motion: reduce) {
  .scroll-chevron { animation: none; }
}

/* ── Marble Divider ───────────────────────────────────────────────── */

.marble-divider {
  height: 60px;
  overflow: hidden;
  position: relative;
  opacity: 0.08;
}

.marble-divider svg {
  width: 100%;
  height: 100%;
  animation: marbleFloat 12s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .marble-divider svg { animation: none; }
}

/* ── Counter Digits ───────────────────────────────────────────────── */

.counter-digit {
  display: inline-block;
  animation: counterUp 0.4s ease forwards;
}

/* ── Loading Spinner ──────────────────────────────────────────────── */

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.3);
  border-top-color: var(--black);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}

/* ── Page Transitions ─────────────────────────────────────────────── */

.page-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

/* ── Gold Shimmer Button Keyframe Tie-In ──────────────────────────── */
/* Applied via ::after pseudo on .btn--gold in components.css */

/* ── Stagger Utility for Grid Items ──────────────────────────────── */
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: 0.08s; }
.stagger > *:nth-child(3) { transition-delay: 0.16s; }
.stagger > *:nth-child(4) { transition-delay: 0.24s; }
.stagger > *:nth-child(5) { transition-delay: 0.32s; }
.stagger > *:nth-child(6) { transition-delay: 0.40s; }